554640142 has 8 divisors (see below), whose sum is σ = 950811696. Its totient is φ = 237702912.

The previous prime is 554640139. The next prime is 554640161. The reversal of 554640142 is 241046455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19808563 + ... + 19808590.

It is an arithmetic number, because the mean of its divisors is an integer number (118851462).

Almost surely, 2^554640142 is an apocalyptic number.

554640142 is a deficient number, since it is larger than the sum of its proper divisors (396171554).

554640142 is a wasteful number, since it uses less digits than its factorization.

554640142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39617162.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 554640142 is about 23550.7991796457. The cubic root of 554640142 is about 821.6189224265.

Adding to 554640142 its reverse (241046455), we get a palindrome (795686597).

The spelling of 554640142 in words is "five hundred fifty-four million, six hundred forty thousand, one hundred forty-two".