148925745 has 12 divisors (see below), whose sum is σ = 258138036. Its totient is φ = 79427040.

The previous prime is 148925741. The next prime is 148925753. The reversal of 148925745 is 547529841.

It can be written as a sum of positive squares in 2 ways, for example, as 44395569 + 104530176 = 6663^2 + 10224^2 .

It is not a de Polignac number, because 148925745 - 2² = 148925741 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3309461 = 148925745 / (1 + 4 + 8 + 9 + 2 + 5 + 7 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 148925745.

It is not an unprimeable number, because it can be changed into a prime (148925741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1654686 + ... + 1654775.

It is an arithmetic number, because the mean of its divisors is an integer number (21511503).

Almost surely, 2^148925745 is an apocalyptic number.

148925745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148925745 is a deficient number, since it is larger than the sum of its proper divisors (109212291).

148925745 is a wasteful number, since it uses less digits than its factorization.

148925745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309472 (or 3309469 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 148925745 is about 12203.5136333762. The cubic root of 148925745 is about 530.0578375234.

The spelling of 148925745 in words is "one hundred forty-eight million, nine hundred twenty-five thousand, seven hundred forty-five".