149541607 has 4 divisors (see below), whose sum is σ = 156043440. Its totient is φ = 143039776.

The previous prime is 149541599. The next prime is 149541619. The reversal of 149541607 is 706145941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149541607 - 2³ = 149541599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149541677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250882 + ... + 3250927.

It is an arithmetic number, because the mean of its divisors is an integer number (39010860).

Almost surely, 2^149541607 is an apocalyptic number.

149541607 is a deficient number, since it is larger than the sum of its proper divisors (6501833).

149541607 is an equidigital number, since it uses as much as digits as its factorization.

149541607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501832.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 149541607 is about 12228.7205790303. The cubic root of 149541607 is about 530.7874931534.

It can be divided in two parts, 14954 and 1607, that added together give a palindrome (16561).

The spelling of 149541607 in words is "one hundred forty-nine million, five hundred forty-one thousand, six hundred seven".