1541553442 has 48 divisors (see below), whose sum is σ = 2783403648. Its totient is φ = 634520640.

The previous prime is 1541553427. The next prime is 1541553451. The reversal of 1541553442 is 2443551451.

It is a junction number, because it is equal to n+sod(n) for n = 1541553398 and 1541553407.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193143 + ... + 200965.

It is an arithmetic number, because the mean of its divisors is an integer number (57987576).

Almost surely, 2^1541553442 is an apocalyptic number.

1541553442 is a deficient number, since it is larger than the sum of its proper divisors (1241850206).

1541553442 is a wasteful number, since it uses less digits than its factorization.

1541553442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7915 (or 7902 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 1541553442 is about 39262.6214356607. The cubic root of 1541553442 is about 1155.1885131730.

The spelling of 1541553442 in words is "one billion, five hundred forty-one million, five hundred fifty-three thousand, four hundred forty-two".