150378493 has 2 divisors, whose sum is σ = 150378494. Its totient is φ = 150378492.

The previous prime is 150378491. The next prime is 150378511. The reversal of 150378493 is 394873051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117223929 + 33154564 = 10827^2 + 5758^2 .

It is a cyclic number.

It is not a de Polignac number, because 150378493 - 2¹ = 150378491 is a prime.

It is a super-2 number, since 2×150378493² = 45227382313902098, which contains 22 as substring.

Together with 150378491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150378491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75189246 + 75189247.

It is an arithmetic number, because the mean of its divisors is an integer number (75189247).

Almost surely, 2^150378493 is an apocalyptic number.

It is an amenable number.

150378493 is a deficient number, since it is larger than the sum of its proper divisors (1).

150378493 is an equidigital number, since it uses as much as digits as its factorization.

150378493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 150378493 is about 12262.8908908136. The cubic root of 150378493 is about 531.7758079326.

The spelling of 150378493 in words is "one hundred fifty million, three hundred seventy-eight thousand, four hundred ninety-three".