155867465 has 8 divisors (see below), whose sum is σ = 201428808. Its totient is φ = 115102080.

The previous prime is 155867461. The next prime is 155867471. The reversal of 155867465 is 564768551.

It can be written as a sum of positive squares in 4 ways, for example, as 1784896 + 154082569 = 1336^2 + 12413^2 .

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

It is not a de Polignac number, because 155867465 - 2² = 155867461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155867461) 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, 1198916 + ... + 1199045.

It is an arithmetic number, because the mean of its divisors is an integer number (25178601).

Almost surely, 2^155867465 is an apocalyptic number.

It is an amenable number.

155867465 is a deficient number, since it is larger than the sum of its proper divisors (45561343).

155867465 is a wasteful number, since it uses less digits than its factorization.

155867465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397979.

The product of its digits is 1008000, while the sum is 47.

The square root of 155867465 is about 12484.6892232046. The cubic root of 155867465 is about 538.1687684250.

The spelling of 155867465 in words is "one hundred fifty-five million, eight hundred sixty-seven thousand, four hundred sixty-five".