152521029 has 8 divisors (see below), whose sum is σ = 225957120. Its totient is φ = 101680668.

The previous prime is 152521021. The next prime is 152521079. The reversal of 152521029 is 920125251.

It is not a de Polignac number, because 152521029 - 2³ = 152521021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5648927 = 152521029 / (1 + 5 + 2 + 5 + 2 + 1 + 0 + 2 + 9).

It is a junction number, because it is equal to n+sod(n) for n = 152520993 and 152521011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152521021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2824437 + ... + 2824490.

It is an arithmetic number, because the mean of its divisors is an integer number (28244640).

Almost surely, 2^152521029 is an apocalyptic number.

It is an amenable number.

152521029 is a deficient number, since it is larger than the sum of its proper divisors (73436091).

152521029 is an equidigital number, since it uses as much as digits as its factorization.

152521029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5648936 (or 5648930 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 152521029 is about 12349.9404452005. The cubic root of 152521029 is about 534.2894214449.

The spelling of 152521029 in words is "one hundred fifty-two million, five hundred twenty-one thousand, twenty-nine".