155352631 has 8 divisors (see below), whose sum is σ = 179793920. Its totient is φ = 131473368.

The previous prime is 155352559. The next prime is 155352641. The reversal of 155352631 is 136253551.

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 155352631 - 2⁷ = 155352503 is a prime.

It is a super-2 number, since 2×155352631² = 48268879917244322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155352593 and 155352602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155352641) 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, 139911 + ... + 141016.

It is an arithmetic number, because the mean of its divisors is an integer number (22474240).

Almost surely, 2^155352631 is an apocalyptic number.

155352631 is a deficient number, since it is larger than the sum of its proper divisors (24441289).

155352631 is an equidigital number, since it uses as much as digits as its factorization.

155352631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281013.

The product of its digits is 13500, while the sum is 31.

The square root of 155352631 is about 12464.0535541211. The cubic root of 155352631 is about 537.5755867019.

The spelling of 155352631 in words is "one hundred fifty-five million, three hundred fifty-two thousand, six hundred thirty-one".