150451493 has 2 divisors, whose sum is σ = 150451494. Its totient is φ = 150451492.

The previous prime is 150451489. The next prime is 150451529. The reversal of 150451493 is 394154051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127622209 + 22829284 = 11297^2 + 4778^2 .

It is a cyclic number.

It is not a de Polignac number, because 150451493 - 2² = 150451489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150451403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75225746 + 75225747.

It is an arithmetic number, because the mean of its divisors is an integer number (75225747).

Almost surely, 2^150451493 is an apocalyptic number.

It is an amenable number.

150451493 is a deficient number, since it is larger than the sum of its proper divisors (1).

150451493 is an equidigital number, since it uses as much as digits as its factorization.

150451493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 150451493 is about 12265.8669893326. The cubic root of 150451493 is about 531.8618427402.

The spelling of 150451493 in words is "one hundred fifty million, four hundred fifty-one thousand, four hundred ninety-three".