155361033 has 12 divisors (see below), whose sum is σ = 232149060. Its totient is φ = 100002336.

The previous prime is 155361023. The next prime is 155361049. The reversal of 155361033 is 330163551.

155361033 is a `hidden beast` number, since 1 + 553 + 6 + 103 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25674489 + 129686544 = 5067^2 + 11388^2 .

It is not a de Polignac number, because 155361033 - 2⁶ = 155360969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 155360988 and 155361006.

It is not an unprimeable number, because it can be changed into a prime (155361023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 297366 + ... + 297887.

It is an arithmetic number, because the mean of its divisors is an integer number (19345755).

Almost surely, 2^155361033 is an apocalyptic number.

It is an amenable number.

155361033 is a deficient number, since it is larger than the sum of its proper divisors (76788027).

155361033 is a wasteful number, since it uses less digits than its factorization.

155361033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595288 (or 595285 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 155361033 is about 12464.3905988219. The cubic root of 155361033 is about 537.5852778341.

The spelling of 155361033 in words is "one hundred fifty-five million, three hundred sixty-one thousand, thirty-three".