150447431 has 4 divisors (see below), whose sum is σ = 151160664. Its totient is φ = 149734200.

The previous prime is 150447421. The next prime is 150447487. The reversal of 150447431 is 134744051.

It is a happy number.

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 150447431 - 2¹⁰ = 150446407 is a prime.

It is a super-2 number, since 2×150447431² = 45268858988999522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150447394 and 150447403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150447421) 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, 356300 + ... + 356721.

It is an arithmetic number, because the mean of its divisors is an integer number (37790166).

Almost surely, 2^150447431 is an apocalyptic number.

150447431 is a deficient number, since it is larger than the sum of its proper divisors (713233).

150447431 is an equidigital number, since it uses as much as digits as its factorization.

150447431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713232.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 150447431 is about 12265.7014067684. The cubic root of 150447431 is about 531.8570561648.

The spelling of 150447431 in words is "one hundred fifty million, four hundred forty-seven thousand, four hundred thirty-one".