542142250 has 64 divisors (see below), whose sum is σ = 1103880960. Its totient is φ = 198177600.

The previous prime is 542142239. The next prime is 542142283. The reversal of 542142250 is 52241245.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346971 + ... + 348529.

It is an arithmetic number, because the mean of its divisors is an integer number (17248140).

Almost surely, 2^542142250 is an apocalyptic number.

542142250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

542142250 is an abundant number, since it is smaller than the sum of its proper divisors (561738710).

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

542142250 is a wasteful number, since it uses less digits than its factorization.

542142250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696 (or 1686 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 542142250 is about 23283.9483335623. The cubic root of 542142250 is about 815.4007087699.

Adding to 542142250 its reverse (52241245), we get a palindrome (594383495).

The spelling of 542142250 in words is "five hundred forty-two million, one hundred forty-two thousand, two hundred fifty".