149145437 has 8 divisors (see below), whose sum is σ = 180478656. Its totient is φ = 120318912.

The previous prime is 149145431. The next prime is 149145449. The reversal of 149145437 is 734541941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149145437 - 2¹⁴ = 149129053 is a prime.

It is a super-2 number, since 2×149145437² = 44488722755841938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149145437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149145431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626543 + ... + 626780.

It is an arithmetic number, because the mean of its divisors is an integer number (22559832).

Almost surely, 2^149145437 is an apocalyptic number.

149145437 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

149145437 is a deficient number, since it is larger than the sum of its proper divisors (31333219).

149145437 is a wasteful number, since it uses less digits than its factorization.

149145437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253347.

The product of its digits is 60480, while the sum is 38.

The square root of 149145437 is about 12212.5114943651. The cubic root of 149145437 is about 530.3183527041.

The spelling of 149145437 in words is "one hundred forty-nine million, one hundred forty-five thousand, four hundred thirty-seven".