45148545 has 48 divisors (see below), whose sum is σ = 85542912. Its totient is φ = 21893760.

The previous prime is 45148531. The next prime is 45148559. The reversal of 45148545 is 54584154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45148531) and next prime (45148559).

It is not a de Polignac number, because 45148545 - 2⁵ = 45148513 is a prime.

It is a super-2 number, since 2×45148545² = 4076782231234050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40992 + ... + 42078.

It is an arithmetic number, because the mean of its divisors is an integer number (1782144).

Almost surely, 2^45148545 is an apocalyptic number.

45148545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45148545 is a deficient number, since it is larger than the sum of its proper divisors (40394367).

45148545 is a wasteful number, since it uses less digits than its factorization.

45148545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

The square root of 45148545 is about 6719.2667010620. The cubic root of 45148545 is about 356.0802774187.

The spelling of 45148545 in words is "forty-five million, one hundred forty-eight thousand, five hundred forty-five".