155271464 has 16 divisors (see below), whose sum is σ = 291873300. Its totient is φ = 77438592.

The previous prime is 155271463. The next prime is 155271491. The reversal of 155271464 is 464172551.

It can be written as a sum of positive squares in 2 ways, for example, as 152522500 + 2748964 = 12350^2 + 1658^2 .

It is not an unprimeable number, because it can be changed into a prime (155271463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21269 + ... + 27620.

Almost surely, 2^155271464 is an apocalyptic number.

It is an amenable number.

155271464 is a deficient number, since it is larger than the sum of its proper divisors (136601836).

155271464 is a wasteful number, since it uses less digits than its factorization.

155271464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49292 (or 49288 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 155271464 is about 12460.7970852590. The cubic root of 155271464 is about 537.4819481228.

The spelling of 155271464 in words is "one hundred fifty-five million, two hundred seventy-one thousand, four hundred sixty-four".