1542022152 has 64 divisors (see below), whose sum is σ = 4268332800. Its totient is φ = 460299840.

The previous prime is 1542022151. The next prime is 1542022169. The reversal of 1542022152 is 2512202451.

It is a super-2 number, since 2×1542022152² = 4755664634517422208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1542022151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25902 + ... + 61277.

It is an arithmetic number, because the mean of its divisors is an integer number (66692700).

Almost surely, 2^1542022152 is an apocalyptic number.

1542022152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1542022152 is an abundant number, since it is smaller than the sum of its proper divisors (2726310648).

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

1542022152 is a wasteful number, since it uses less digits than its factorization.

1542022152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87266 (or 87262 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1542022152 is about 39268.5898906492. The cubic root of 1542022152 is about 1155.3055798337.

The spelling of 1542022152 in words is "one billion, five hundred forty-two million, twenty-two thousand, one hundred fifty-two".