307405142 has 16 divisors (see below), whose sum is σ = 529502400. Its totient is φ = 132375240.

The previous prime is 307405103. The next prime is 307405177. The reversal of 307405142 is 241504703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367292 + ... + 368127.

It is an arithmetic number, because the mean of its divisors is an integer number (33093900).

Almost surely, 2^307405142 is an apocalyptic number.

307405142 is a deficient number, since it is larger than the sum of its proper divisors (222097258).

307405142 is a wasteful number, since it uses less digits than its factorization.

307405142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735451.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 307405142 is about 17532.9729937624. The cubic root of 307405142 is about 674.8962928006.

Adding to 307405142 its reverse (241504703), we get a palindrome (548909845).

The spelling of 307405142 in words is "three hundred seven million, four hundred five thousand, one hundred forty-two".