150069978 has 12 divisors (see below), whose sum is σ = 325151658. Its totient is φ = 50023320.

The previous prime is 150069973. The next prime is 150070007. The reversal of 150069978 is 879960051.

It can be written as a sum of positive squares in only one way, i.e., 149891049 + 178929 = 12243^2 + 423^2 .

It is not an unprimeable number, because it can be changed into a prime (150069973) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4168593 + ... + 4168628.

Almost surely, 2^150069978 is an apocalyptic number.

150069978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

150069978 is an abundant number, since it is smaller than the sum of its proper divisors (175081680).

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

150069978 is a wasteful number, since it uses less digits than its factorization.

150069978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337229 (or 8337226 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 150069978 is about 12250.3052206874. The cubic root of 150069978 is about 531.4118969918.

The spelling of 150069978 in words is "one hundred fifty million, sixty-nine thousand, nine hundred seventy-eight".