149302519 has 2 divisors, whose sum is σ = 149302520. Its totient is φ = 149302518.

The previous prime is 149302471. The next prime is 149302523. The reversal of 149302519 is 915203941.

It is a strong prime.

It is an emirp because it is prime and its reverse (915203941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 149302519 - 2¹¹ = 149300471 is a prime.

It is a super-2 number, since 2×149302519² = 44582484359490722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (149302529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74651259 + 74651260.

It is an arithmetic number, because the mean of its divisors is an integer number (74651260).

Almost surely, 2^149302519 is an apocalyptic number.

149302519 is a deficient number, since it is larger than the sum of its proper divisors (1).

149302519 is an equidigital number, since it uses as much as digits as its factorization.

149302519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 149302519 is about 12218.9409933922. The cubic root of 149302519 is about 530.5044668774.

The spelling of 149302519 in words is "one hundred forty-nine million, three hundred two thousand, five hundred nineteen".