151516942 has 4 divisors (see below), whose sum is σ = 227275416. Its totient is φ = 75758470.

The previous prime is 151516921. The next prime is 151516943. The reversal of 151516942 is 249615151.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 151516898 and 151516907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151516943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37879234 + ... + 37879237.

It is an arithmetic number, because the mean of its divisors is an integer number (56818854).

Almost surely, 2^151516942 is an apocalyptic number.

151516942 is a deficient number, since it is larger than the sum of its proper divisors (75758474).

151516942 is an equidigital number, since it uses as much as digits as its factorization.

151516942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75758473.

The product of its digits is 10800, while the sum is 34.

The square root of 151516942 is about 12309.2218275568. The cubic root of 151516942 is about 533.1143820873.

The spelling of 151516942 in words is "one hundred fifty-one million, five hundred sixteen thousand, nine hundred forty-two".