151543940 has 12 divisors (see below), whose sum is σ = 318242316. Its totient is φ = 60617568.

The previous prime is 151543927. The next prime is 151543963. The reversal of 151543940 is 49345151.

It can be written as a sum of positive squares in 2 ways, for example, as 108326464 + 43217476 = 10408^2 + 6574^2 .

It is a junction number, because it is equal to n+sod(n) for n = 151543897 and 151543906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3788579 + ... + 3788618.

It is an arithmetic number, because the mean of its divisors is an integer number (26520193).

Almost surely, 2^151543940 is an apocalyptic number.

151543940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151543940 is an abundant number, since it is smaller than the sum of its proper divisors (166698376).

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

151543940 is a wasteful number, since it uses less digits than its factorization.

151543940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7577206 (or 7577204 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 151543940 is about 12310.3184361738. The cubic root of 151543940 is about 533.1460444812.

The spelling of 151543940 in words is "one hundred fifty-one million, five hundred forty-three thousand, nine hundred forty".