155268452 has 6 divisors (see below), whose sum is σ = 271719798. Its totient is φ = 77634224.

The previous prime is 155268431. The next prime is 155268461. The reversal of 155268452 is 254862551.

It can be written as a sum of positive squares in only one way, i.e., 108701476 + 46566976 = 10426^2 + 6824^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19408553 + ... + 19408560.

It is an arithmetic number, because the mean of its divisors is an integer number (45286633).

Almost surely, 2^155268452 is an apocalyptic number.

It is an amenable number.

155268452 is a deficient number, since it is larger than the sum of its proper divisors (116451346).

155268452 is a wasteful number, since it uses less digits than its factorization.

155268452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38817117 (or 38817115 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The square root of 155268452 is about 12460.6762256308. The cubic root of 155268452 is about 537.4784726911.

The spelling of 155268452 in words is "one hundred fifty-five million, two hundred sixty-eight thousand, four hundred fifty-two".