149715403 has 2 divisors, whose sum is σ = 149715404. Its totient is φ = 149715402.

The previous prime is 149715367. The next prime is 149715409. The reversal of 149715403 is 304517941.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 149715403 - 2⁹ = 149714891 is a prime.

It is not a weakly prime, because it can be changed into another prime (149715409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74857701 + 74857702.

It is an arithmetic number, because the mean of its divisors is an integer number (74857702).

Almost surely, 2^149715403 is an apocalyptic number.

149715403 is a deficient number, since it is larger than the sum of its proper divisors (1).

149715403 is an equidigital number, since it uses as much as digits as its factorization.

149715403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 149715403 is about 12235.8245737670. The cubic root of 149715403 is about 530.9930391352.

It can be divided in two parts, 1497 and 15403, that added together give a square (16900 = 130²).

The spelling of 149715403 in words is "one hundred forty-nine million, seven hundred fifteen thousand, four hundred three".