155150489 has 8 divisors (see below), whose sum is σ = 169099392. Its totient is φ = 141489360.

The previous prime is 155150473. The next prime is 155150503. The reversal of 155150489 is 984051551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155150489 - 2⁴ = 155150473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155150459) 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, 70817 + ... + 72974.

It is an arithmetic number, because the mean of its divisors is an integer number (21137424).

Almost surely, 2^155150489 is an apocalyptic number.

It is an amenable number.

155150489 is a deficient number, since it is larger than the sum of its proper divisors (13948903).

155150489 is a wasteful number, since it uses less digits than its factorization.

155150489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143887.

The product of its (nonzero) digits is 36000, while the sum is 38.

The square root of 155150489 is about 12455.9419154073. The cubic root of 155150489 is about 537.3423243290.

The spelling of 155150489 in words is "one hundred fifty-five million, one hundred fifty thousand, four hundred eighty-nine".