152026397 has 4 divisors (see below), whose sum is σ = 152994876. Its totient is φ = 151057920.

The previous prime is 152026373. The next prime is 152026403. The reversal of 152026397 is 793620251.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104980516 + 47045881 = 10246^2 + 6859^2 .

It is a cyclic number.

It is not a de Polignac number, because 152026397 - 2⁸ = 152026141 is a prime.

It is a super-2 number, since 2×152026397² = 46224050769603218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152026307) 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, 484004 + ... + 484317.

It is an arithmetic number, because the mean of its divisors is an integer number (38248719).

Almost surely, 2^152026397 is an apocalyptic number.

It is an amenable number.

152026397 is a deficient number, since it is larger than the sum of its proper divisors (968479).

152026397 is an equidigital number, since it uses as much as digits as its factorization.

152026397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968478.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 152026397 is about 12329.8984991767. The cubic root of 152026397 is about 533.7112217274.

The spelling of 152026397 in words is "one hundred fifty-two million, twenty-six thousand, three hundred ninety-seven".