1552552146 has 24 divisors (see below), whose sum is σ = 3364767900. Its totient is φ = 517378176.

The previous prime is 1552552123. The next prime is 1552552147. The reversal of 1552552146 is 6412552551.

1552552146 is a `hidden beast` number, since 15 + 52 + 552 + 1 + 46 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1547556921 + 4995225 = 39339^2 + 2235^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1552552146.

It is not an unprimeable number, because it can be changed into a prime (1552552147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74406 + ... + 92958.

Almost surely, 2^1552552146 is an apocalyptic number.

1552552146 is an abundant number, since it is smaller than the sum of its proper divisors (1812215754).

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

1552552146 is a wasteful number, since it uses less digits than its factorization.

1552552146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23210 (or 23207 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 1552552146 is about 39402.4383255656. The cubic root of 1552552146 is about 1157.9293584477.

The spelling of 1552552146 in words is "one billion, five hundred fifty-two million, five hundred fifty-two thousand, one hundred forty-six".