155945480 has 16 divisors (see below), whose sum is σ = 350877420. Its totient is φ = 62378176.

The previous prime is 155945479. The next prime is 155945501. The reversal of 155945480 is 84549551.

It can be written as a sum of positive squares in 2 ways, for example, as 148986436 + 6959044 = 12206^2 + 2638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1949279 + ... + 1949358.

Almost surely, 2^155945480 is an apocalyptic number.

155945480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155945480 is an abundant number, since it is smaller than the sum of its proper divisors (194931940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155945480 is a wasteful number, since it uses less digits than its factorization.

155945480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898648 (or 3898644 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 155945480 is about 12487.8132593341. The cubic root of 155945480 is about 538.2585417752.

It can be divided in two parts, 15 and 5945480, that added together give a palindrome (5945495).

The spelling of 155945480 in words is "one hundred fifty-five million, nine hundred forty-five thousand, four hundred eighty".