149243233 has 8 divisors (see below), whose sum is σ = 157916000. Its totient is φ = 140652288.

The previous prime is 149243231. The next prime is 149243249. The reversal of 149243233 is 332342941.

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

It is not a de Polignac number, because 149243233 - 2¹ = 149243231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149243195 and 149243204.

It is not an unprimeable number, because it can be changed into a prime (149243231) 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, 16683 + ... + 24016.

It is an arithmetic number, because the mean of its divisors is an integer number (19739500).

Almost surely, 2^149243233 is an apocalyptic number.

It is an amenable number.

149243233 is a deficient number, since it is larger than the sum of its proper divisors (8672767).

149243233 is a wasteful number, since it uses less digits than its factorization.

149243233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40911.

The product of its digits is 15552, while the sum is 31.

The square root of 149243233 is about 12216.5147648583. The cubic root of 149243233 is about 530.4342388778.

The spelling of 149243233 in words is "one hundred forty-nine million, two hundred forty-three thousand, two hundred thirty-three".