1542455212 has 24 divisors (see below), whose sum is σ = 2772020160. Its totient is φ = 750631680.

The previous prime is 1542455209. The next prime is 1542455249. The reversal of 1542455212 is 2125542451.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11364 + ... + 56692.

It is an arithmetic number, because the mean of its divisors is an integer number (115500840).

Almost surely, 2^1542455212 is an apocalyptic number.

It is an amenable number.

1542455212 is a deficient number, since it is larger than the sum of its proper divisors (1229564948).

1542455212 is a wasteful number, since it uses less digits than its factorization.

1542455212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45561 (or 45559 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 1542455212 is about 39274.1035798400. The cubic root of 1542455212 is about 1155.4137213424.

Adding to 1542455212 its reverse (2125542451), we get a palindrome (3667997663).

The spelling of 1542455212 in words is "one billion, five hundred forty-two million, four hundred fifty-five thousand, two hundred twelve".