740149545 has 16 divisors (see below), whose sum is σ = 1235728512. Its totient is φ = 377583360.

The previous prime is 740149537. The next prime is 740149549. The reversal of 740149545 is 545941047.

It is not a de Polignac number, because 740149545 - 2³ = 740149537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (740149549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1072336 + ... + 1073025.

It is an arithmetic number, because the mean of its divisors is an integer number (77233032).

Almost surely, 2^740149545 is an apocalyptic number.

It is an amenable number.

740149545 is a deficient number, since it is larger than the sum of its proper divisors (495578967).

740149545 is a wasteful number, since it uses less digits than its factorization.

740149545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145392.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 740149545 is about 27205.6895703821. The cubic root of 740149545 is about 904.5650953111.

The spelling of 740149545 in words is "seven hundred forty million, one hundred forty-nine thousand, five hundred forty-five".