155954045 has 16 divisors (see below), whose sum is σ = 202747440. Its totient is φ = 115157952.

The previous prime is 155954023. The next prime is 155954063. The reversal of 155954045 is 540459551.

It can be written as a sum of positive squares in 8 ways, for example, as 65836996 + 90117049 = 8114^2 + 9493^2 .

It is not a de Polignac number, because 155954045 - 2⁸ = 155953789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3887 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (12671715).

Almost surely, 2^155954045 is an apocalyptic number.

It is an amenable number.

155954045 is a deficient number, since it is larger than the sum of its proper divisors (46793395).

155954045 is an equidigital number, since it uses as much as digits as its factorization.

155954045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14241 (or 14215 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The square root of 155954045 is about 12488.1561889656. The cubic root of 155954045 is about 538.2683958601.

The spelling of 155954045 in words is "one hundred fifty-five million, nine hundred fifty-four thousand, forty-five".