1454932191790 has 192 divisors, whose sum is σ = 3441486979008. Its totient is φ = 441221679360.

The previous prime is 1454932191761. The next prime is 1454932191799. The reversal of 1454932191790 is 971912394541.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1454932191799) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24100884 + ... + 24161176.

It is an arithmetic number, because the mean of its divisors is an integer number (17924411349).

Almost surely, 2^{1454932191790} is an apocalyptic number.

1454932191790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1454932191790 is an abundant number, since it is smaller than the sum of its proper divisors (1986554787218).

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

1454932191790 is a wasteful number, since it uses less digits than its factorization.

1454932191790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60384 (or 60355 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 1454932191790 in words is "one trillion, four hundred fifty-four billion, nine hundred thirty-two million, one hundred ninety-one thousand, seven hundred ninety".