19200045 has 16 divisors (see below), whose sum is σ = 31300992. Its totient is φ = 10046400.

The previous prime is 19200037. The next prime is 19200053. The reversal of 19200045 is 54000291.

It is an interprime number because it is at equal distance from previous prime (19200037) and next prime (19200053).

It is not a de Polignac number, because 19200045 - 2³ = 19200037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19199994 and 19200030.

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, 11281 + ... + 12870.

It is an arithmetic number, because the mean of its divisors is an integer number (1956312).

Almost surely, 2^19200045 is an apocalyptic number.

19200045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19200045 is a deficient number, since it is larger than the sum of its proper divisors (12100947).

19200045 is a wasteful number, since it uses less digits than its factorization.

19200045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24212.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 19200045 is about 4381.7855949373. The cubic root of 19200045 is about 267.7733892305.

The spelling of 19200045 in words is "nineteen million, two hundred thousand, forty-five".