1045154020 has 24 divisors (see below), whose sum is σ = 2195432064. Its totient is φ = 417945696.

The previous prime is 1045153981. The next prime is 1045154027. The reversal of 1045154020 is 204515401.

It is a junction number, because it is equal to n+sod(n) for n = 1045153982 and 1045154000.

It is not an unprimeable number, because it can be changed into a prime (1045154027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131397 + ... + 139123.

It is an arithmetic number, because the mean of its divisors is an integer number (91476336).

Almost surely, 2^1045154020 is an apocalyptic number.

1045154020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045154020 is an abundant number, since it is smaller than the sum of its proper divisors (1150278044).

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

1045154020 is a wasteful number, since it uses less digits than its factorization.

1045154020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14499 (or 14497 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1045154020 is about 32328.8419217268. The cubic root of 1045154020 is about 1014.8303145202.

Adding to 1045154020 its reverse (204515401), we get a palindrome (1249669421).

The spelling of 1045154020 in words is "one billion, forty-five million, one hundred fifty-four thousand, twenty".