149283613 has 8 divisors (see below), whose sum is σ = 160231608. Its totient is φ = 138576384.

The previous prime is 149283581. The next prime is 149283623. The reversal of 149283613 is 316382941.

It can be written as a sum of positive squares in 4 ways, for example, as 66145689 + 83137924 = 8133^2 + 9118^2 .

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

It is not a de Polignac number, because 149283613 - 2⁵ = 149283581 is a prime.

It is a super-2 number, since 2×149283613² = 44571194220667538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149283623) 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, 58906 + ... + 61387.

It is an arithmetic number, because the mean of its divisors is an integer number (20028951).

Almost surely, 2^149283613 is an apocalyptic number.

It is an amenable number.

149283613 is a deficient number, since it is larger than the sum of its proper divisors (10947995).

149283613 is a wasteful number, since it uses less digits than its factorization.

149283613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120383.

The product of its digits is 31104, while the sum is 37.

The square root of 149283613 is about 12218.1673339335. The cubic root of 149283613 is about 530.4820735494.

The spelling of 149283613 in words is "one hundred forty-nine million, two hundred eighty-three thousand, six hundred thirteen".