542231151 has 32 divisors (see below), whose sum is σ = 920567808. Its totient is φ = 275679840.

The previous prime is 542231149. The next prime is 542231153. The reversal of 542231151 is 151132245.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (542231149) and next prime (542231153).

It is not a de Polignac number, because 542231151 - 2¹ = 542231149 is a prime.

It is a super-2 number, since 2×542231151² = 588029242229569602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542231153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14115 + ... + 35828.

It is an arithmetic number, because the mean of its divisors is an integer number (28767744).

Almost surely, 2^542231151 is an apocalyptic number.

542231151 is a deficient number, since it is larger than the sum of its proper divisors (378336657).

542231151 is a wasteful number, since it uses less digits than its factorization.

542231151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50011.

The product of its digits is 1200, while the sum is 24.

The square root of 542231151 is about 23285.8573172645. The cubic root of 542231151 is about 815.4452763943.

Adding to 542231151 its reverse (151132245), we get a palindrome (693363396).

The spelling of 542231151 in words is "five hundred forty-two million, two hundred thirty-one thousand, one hundred fifty-one".