155361044 has 24 divisors (see below), whose sum is σ = 284601408. Its totient is φ = 74067840.

The previous prime is 155361023. The next prime is 155361049. The reversal of 155361044 is 440163551.

It is a happy number.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 155360998 and 155361016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155361049) 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, 28499 + ... + 33509.

It is an arithmetic number, because the mean of its divisors is an integer number (11858392).

Almost surely, 2^155361044 is an apocalyptic number.

It is an amenable number.

155361044 is a deficient number, since it is larger than the sum of its proper divisors (129240364).

155361044 is a wasteful number, since it uses less digits than its factorization.

155361044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5375 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 155361044 is about 12464.3910400789. The cubic root of 155361044 is about 537.5852905216.

The spelling of 155361044 in words is "one hundred fifty-five million, three hundred sixty-one thousand, forty-four".