151405427 has 4 divisors (see below), whose sum is σ = 151451160. Its totient is φ = 151359696.

The previous prime is 151405379. The next prime is 151405487. The reversal of 151405427 is 724504151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151405427 - 2¹⁶ = 151339891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151405427.

It is not an unprimeable number, because it can be changed into a prime (151405487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17477 + ... + 24662.

It is an arithmetic number, because the mean of its divisors is an integer number (37862790).

Almost surely, 2^151405427 is an apocalyptic number.

151405427 is a deficient number, since it is larger than the sum of its proper divisors (45733).

151405427 is an equidigital number, since it uses as much as digits as its factorization.

151405427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45732.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 151405427 is about 12304.6912598407. The cubic root of 151405427 is about 532.9835609825.

Adding to 151405427 its reverse (724504151), we get a palindrome (875909578).

The spelling of 151405427 in words is "one hundred fifty-one million, four hundred five thousand, four hundred twenty-seven".