150940091 has 2 divisors, whose sum is σ = 150940092. Its totient is φ = 150940090.

The previous prime is 150940087. The next prime is 150940117. The reversal of 150940091 is 190049051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 150940091 - 2² = 150940087 is a prime.

It is a super-2 number, since 2×150940091² = 45565822142176562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (150940061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75470045 + 75470046.

It is an arithmetic number, because the mean of its divisors is an integer number (75470046).

Almost surely, 2^150940091 is an apocalyptic number.

150940091 is a deficient number, since it is larger than the sum of its proper divisors (1).

150940091 is an equidigital number, since it uses as much as digits as its factorization.

150940091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 150940091 is about 12285.7678229731. The cubic root of 150940091 is about 532.4369690359.

The spelling of 150940091 in words is "one hundred fifty million, nine hundred forty thousand, ninety-one".