150450019 has 2 divisors, whose sum is σ = 150450020. Its totient is φ = 150450018.

The previous prime is 150449989. The next prime is 150450067. The reversal of 150450019 is 910054051.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150450019 is a prime.

It is a super-2 number, since 2×150450019² = 45270416434200722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150449975 and 150450002.

It is not a weakly prime, because it can be changed into another prime (150453019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75225009 + 75225010.

It is an arithmetic number, because the mean of its divisors is an integer number (75225010).

Almost surely, 2^150450019 is an apocalyptic number.

150450019 is a deficient number, since it is larger than the sum of its proper divisors (1).

150450019 is an equidigital number, since it uses as much as digits as its factorization.

150450019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 150450019 is about 12265.8069037467. The cubic root of 150450019 is about 531.8601058195.

The spelling of 150450019 in words is "one hundred fifty million, four hundred fifty thousand, nineteen".