151405434 has 24 divisors (see below), whose sum is σ = 347342580. Its totient is φ = 47499648.

The previous prime is 151405379. The next prime is 151405487. The reversal of 151405434 is 434504151.

It is a happy number.

151405434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 151216209 + 189225 = 12297^2 + 435^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 151405398 and 151405407.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 247089 + ... + 247700.

Almost surely, 2^151405434 is an apocalyptic number.

151405434 is an abundant number, since it is smaller than the sum of its proper divisors (195937146).

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

151405434 is a wasteful number, since it uses less digits than its factorization.

151405434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494814 (or 494811 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 151405434 is about 12304.6915442850. The cubic root of 151405434 is about 532.9835691964.

Adding to 151405434 its reverse (434504151), we get a palindrome (585909585).

The spelling of 151405434 in words is "one hundred fifty-one million, four hundred five thousand, four hundred thirty-four".