155673950 has 24 divisors (see below), whose sum is σ = 290777520. Its totient is φ = 62006400.

The previous prime is 155673941. The next prime is 155673953. The reversal of 155673950 is 59376551.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155673898 and 155673907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155673953) 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, 5591 + ... + 18509.

It is an arithmetic number, because the mean of its divisors is an integer number (12115730).

Almost surely, 2^155673950 is an apocalyptic number.

155673950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155673950 is a deficient number, since it is larger than the sum of its proper divisors (135103570).

155673950 is a wasteful number, since it uses less digits than its factorization.

155673950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13172 (or 13167 counting only the distinct ones).

The product of its (nonzero) digits is 141750, while the sum is 41.

The square root of 155673950 is about 12476.9367234109. The cubic root of 155673950 is about 537.9459576364.

The spelling of 155673950 in words is "one hundred fifty-five million, six hundred seventy-three thousand, nine hundred fifty".