145102534 has 8 divisors (see below), whose sum is σ = 217717560. Its totient is φ = 72530016.

The previous prime is 145102523. The next prime is 145102541. The reversal of 145102534 is 435201541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 145102499 and 145102508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57 + ... + 17035.

It is an arithmetic number, because the mean of its divisors is an integer number (27214695).

Almost surely, 2^145102534 is an apocalyptic number.

145102534 is a deficient number, since it is larger than the sum of its proper divisors (72615026).

145102534 is a wasteful number, since it uses less digits than its factorization.

145102534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21254.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 145102534 is about 12045.8513190227. The cubic root of 145102534 is about 525.4825905731.

The spelling of 145102534 in words is "one hundred forty-five million, one hundred two thousand, five hundred thirty-four".