1545551040 has 112 divisors (see below), whose sum is σ = 5353263360. Its totient is φ = 374676480.

The previous prime is 1545550997. The next prime is 1545551053. The reversal of 1545551040 is 401555451.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1545550989 and 1545551007.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62620 + ... + 83739.

Almost surely, 2^1545551040 is an apocalyptic number.

1545551040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1545551040 is an abundant number, since it is smaller than the sum of its proper divisors (3807712320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545551040 is a wasteful number, since it uses less digits than its factorization.

1545551040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146390 (or 146380 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1545551040 is about 39313.4969189972. The cubic root of 1545551040 is about 1156.1862065997.

The spelling of 1545551040 in words is "one billion, five hundred forty-five million, five hundred fifty-one thousand, forty".