150642250 has 32 divisors (see below), whose sum is σ = 307644480. Its totient is φ = 54778000.

The previous prime is 150642229. The next prime is 150642259. The reversal of 150642250 is 52246051.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (150642259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24640 + ... + 30139.

It is an arithmetic number, because the mean of its divisors is an integer number (9613890).

Almost surely, 2^150642250 is an apocalyptic number.

150642250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150642250 is an abundant number, since it is smaller than the sum of its proper divisors (157002230).

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

150642250 is a wasteful number, since it uses less digits than its factorization.

150642250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54807 (or 54797 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 150642250 is about 12273.6404542418. The cubic root of 150642250 is about 532.0865298225.

The spelling of 150642250 in words is "one hundred fifty million, six hundred forty-two thousand, two hundred fifty".