155353145 has 8 divisors (see below), whose sum is σ = 192852360. Its totient is φ = 119996800.

The previous prime is 155353129. The next prime is 155353147. The reversal of 155353145 is 541353551.

It can be written as a sum of positive squares in 4 ways, for example, as 1849 + 155351296 = 43^2 + 12464^2 .

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

It is not a de Polignac number, because 155353145 - 2⁴ = 155353129 is a prime.

It is a super-2 number, since 2×155353145² = 48269199322782050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (155353147) 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, 535556 + ... + 535845.

It is an arithmetic number, because the mean of its divisors is an integer number (24106545).

Almost surely, 2^155353145 is an apocalyptic number.

It is an amenable number.

155353145 is a deficient number, since it is larger than the sum of its proper divisors (37499215).

155353145 is a wasteful number, since it uses less digits than its factorization.

155353145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071435.

The product of its digits is 22500, while the sum is 32.

The square root of 155353145 is about 12464.0741733993. The cubic root of 155353145 is about 537.5761795758.

The spelling of 155353145 in words is "one hundred fifty-five million, three hundred fifty-three thousand, one hundred forty-five".