145046397380 has 48 divisors (see below), whose sum is σ = 305636416176. Its totient is φ = 57820815360.

The previous prime is 145046397371. The next prime is 145046397383. The reversal of 145046397380 is 83793640541.

It can be written as a sum of positive squares in 8 ways, for example, as 7120321924 + 137926075456 = 84382^2 + 371384^2 .

It is not an unprimeable number, because it can be changed into a prime (145046397383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24914870 + ... + 24920690.

It is an arithmetic number, because the mean of its divisors is an integer number (6367425337).

Almost surely, 2^145046397380 is an apocalyptic number.

145046397380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145046397380 is an abundant number, since it is smaller than the sum of its proper divisors (160590018796).

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

145046397380 is a wasteful number, since it uses less digits than its factorization.

145046397380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9864 (or 9862 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 145046397380 in words is "one hundred forty-five billion, forty-six million, three hundred ninety-seven thousand, three hundred eighty".