151622342 has 4 divisors (see below), whose sum is σ = 227433516. Its totient is φ = 75811170.

The previous prime is 151622327. The next prime is 151622363. The reversal of 151622342 is 243226151.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37905584 + ... + 37905587.

It is an arithmetic number, because the mean of its divisors is an integer number (56858379).

Almost surely, 2^151622342 is an apocalyptic number.

151622342 is a deficient number, since it is larger than the sum of its proper divisors (75811174).

151622342 is an equidigital number, since it uses as much as digits as its factorization.

151622342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75811173.

The product of its digits is 2880, while the sum is 26.

The square root of 151622342 is about 12313.5024261986. The cubic root of 151622342 is about 533.2379705365.

Adding to 151622342 its reverse (243226151), we get a palindrome (394848493).

The spelling of 151622342 in words is "one hundred fifty-one million, six hundred twenty-two thousand, three hundred forty-two".