1542225057 has 16 divisors (see below), whose sum is σ = 2227896000. Its totient is φ = 945165312.

The previous prime is 1542225037. The next prime is 1542225089. The reversal of 1542225057 is 7505222451.

It is not a de Polignac number, because 1542225057 - 2⁶ = 1542224993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1542225037) 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, 349432 + ... + 353817.

It is an arithmetic number, because the mean of its divisors is an integer number (139243500).

Almost surely, 2^1542225057 is an apocalyptic number.

1542225057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1542225057 is a deficient number, since it is larger than the sum of its proper divisors (685670943).

1542225057 is a wasteful number, since it uses less digits than its factorization.

1542225057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703312.

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 1542225057 is about 39271.1733590938. The cubic root of 1542225057 is about 1155.3562507439.

The spelling of 1542225057 in words is "one billion, five hundred forty-two million, two hundred twenty-five thousand, fifty-seven".