90429151 has 4 divisors (see below), whose sum is σ = 95188600. Its totient is φ = 85669704.

The previous prime is 90429127. The next prime is 90429161. The reversal of 90429151 is 15192409.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90429151 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 (90429121) 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, 2379696 + ... + 2379733.

It is an arithmetic number, because the mean of its divisors is an integer number (23797150).

Almost surely, 2^90429151 is an apocalyptic number.

90429151 is a deficient number, since it is larger than the sum of its proper divisors (4759449).

90429151 is a wasteful number, since it uses less digits than its factorization.

90429151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4759448.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 90429151 is about 9509.4243253732. The cubic root of 90429151 is about 448.8516415353.

The spelling of 90429151 in words is "ninety million, four hundred twenty-nine thousand, one hundred fifty-one".