155423245537 has 8 divisors (see below), whose sum is σ = 177632718336. Its totient is φ = 133215310752.

The previous prime is 155423245517. The next prime is 155423245589. The reversal of 155423245537 is 735542324551.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 155423245537 - 2²³ = 155414856929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155423245507) 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, 159148 + ... + 579805.

It is an arithmetic number, because the mean of its divisors is an integer number (22204089792).

Almost surely, 2^155423245537 is an apocalyptic number.

It is an amenable number.

155423245537 is a deficient number, since it is larger than the sum of its proper divisors (22209472799).

155423245537 is an equidigital number, since it uses as much as digits as its factorization.

155423245537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769007.

The product of its digits is 2520000, while the sum is 46.

It can be divided in two parts, 155423 and 245537, that added together give a triangular number (400960 = T₈₉₅).

The spelling of 155423245537 in words is "one hundred fifty-five billion, four hundred twenty-three million, two hundred forty-five thousand, five hundred thirty-seven".