155609465 has 8 divisors (see below), whose sum is σ = 203707008. Its totient is φ = 113170480.

The previous prime is 155609407. The next prime is 155609497. The reversal of 155609465 is 564906551.

155609465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 155609465 - 2⁶ = 155609401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1414577 + ... + 1414686.

It is an arithmetic number, because the mean of its divisors is an integer number (25463376).

Almost surely, 2^155609465 is an apocalyptic number.

It is an amenable number.

155609465 is a deficient number, since it is larger than the sum of its proper divisors (48097543).

155609465 is a wasteful number, since it uses less digits than its factorization.

155609465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829279.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 155609465 is about 12474.3522877943. The cubic root of 155609465 is about 537.8716693863.

The spelling of 155609465 in words is "one hundred fifty-five million, six hundred nine thousand, four hundred sixty-five".