149305741 has 4 divisors (see below), whose sum is σ = 160790812. Its totient is φ = 137820672.

The previous prime is 149305733. The next prime is 149305763. The reversal of 149305741 is 147503941.

149305741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9947716 + 139358025 = 3154^2 + 11805^2 .

It is a cyclic number.

It is not a de Polignac number, because 149305741 - 2³ = 149305733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149305697 and 149305706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149305711) 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, 5742516 + ... + 5742541.

It is an arithmetic number, because the mean of its divisors is an integer number (40197703).

Almost surely, 2^149305741 is an apocalyptic number.

It is an amenable number.

149305741 is a deficient number, since it is larger than the sum of its proper divisors (11485071).

149305741 is a wasteful number, since it uses less digits than its factorization.

149305741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11485070.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 149305741 is about 12219.0728371673. The cubic root of 149305741 is about 530.5082830065.

The spelling of 149305741 in words is "one hundred forty-nine million, three hundred five thousand, seven hundred forty-one".