155481045 has 16 divisors (see below), whose sum is σ = 248925312. Its totient is φ = 82871360.

The previous prime is 155481041. The next prime is 155481059. The reversal of 155481045 is 540184551.

155481045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155481045 - 2² = 155481041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155480997 and 155481015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155481041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41104 + ... + 44726.

It is an arithmetic number, because the mean of its divisors is an integer number (15557832).

Almost surely, 2^155481045 is an apocalyptic number.

155481045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155481045 is a deficient number, since it is larger than the sum of its proper divisors (93444267).

155481045 is a wasteful number, since it uses less digits than its factorization.

155481045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 16000, while the sum is 33.

The square root of 155481045 is about 12469.2038639201. The cubic root of 155481045 is about 537.7236653431.

The spelling of 155481045 in words is "one hundred fifty-five million, four hundred eighty-one thousand, forty-five".