1485978045 has 16 divisors (see below), whose sum is σ = 2378471040. Its totient is φ = 792219584.

The previous prime is 1485978037. The next prime is 1485978061. The reversal of 1485978045 is 5408795841.

It is a cyclic number.

It is not a de Polignac number, because 1485978045 - 2³ = 1485978037 is a prime.

It is a congruent number.

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, 25096 + ... + 60014.

It is an arithmetic number, because the mean of its divisors is an integer number (148654440).

Almost surely, 2^1485978045 is an apocalyptic number.

1485978045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1485978045 is a deficient number, since it is larger than the sum of its proper divisors (892492995).

1485978045 is a wasteful number, since it uses less digits than its factorization.

1485978045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37764.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The square root of 1485978045 is about 38548.3857638682. The cubic root of 1485978045 is about 1141.1361518562.

The spelling of 1485978045 in words is "one billion, four hundred eighty-five million, nine hundred seventy-eight thousand, forty-five".