355502149 has 4 divisors (see below), whose sum is σ = 355823820. Its totient is φ = 355180480.

The previous prime is 355502143. The next prime is 355502207. The reversal of 355502149 is 941205553.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941205553 = 41 ⋅22956233.

It can be written as a sum of positive squares in 2 ways, for example, as 48902049 + 306600100 = 6993^2 + 17510^2 .

It is a cyclic number.

It is not a de Polignac number, because 355502149 - 2⁵ = 355502117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355502143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159172 + ... + 161389.

It is an arithmetic number, because the mean of its divisors is an integer number (88955955).

Almost surely, 2^355502149 is an apocalyptic number.

It is an amenable number.

355502149 is a deficient number, since it is larger than the sum of its proper divisors (321671).

355502149 is a wasteful number, since it uses less digits than its factorization.

355502149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321670.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 355502149 is about 18854.7646232988. The cubic root of 355502149 is about 708.4035737619.

The spelling of 355502149 in words is "three hundred fifty-five million, five hundred two thousand, one hundred forty-nine".