1551042452 has 12 divisors (see below), whose sum is σ = 2725140096. Its totient is φ = 772431000.

The previous prime is 1551042439. The next prime is 1551042457. The reversal of 1551042452 is 2542401551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551042457) 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, 771428 + ... + 773435.

It is an arithmetic number, because the mean of its divisors is an integer number (227095008).

Almost surely, 2^1551042452 is an apocalyptic number.

It is an amenable number.

1551042452 is a deficient number, since it is larger than the sum of its proper divisors (1174097644).

1551042452 is a wasteful number, since it uses less digits than its factorization.

1551042452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545118 (or 1545116 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1551042452 is about 39383.2762984493. The cubic root of 1551042452 is about 1157.5539151415.

The spelling of 1551042452 in words is "one billion, five hundred fifty-one million, forty-two thousand, four hundred fifty-two".