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145632377770 = 251122937223503
BaseRepresentation
bin1000011110100001011…
…1011011101110101010
3111220220101000022112021
42013220113123232222
54341223342042040
6150522543135054
713343622533515
oct2075027335652
9456811008467
10145632377770
1156842753a00
1224283ba448a
131096b7447c9
1470976a3d7c
153bc543e24a
hex21e85dbbaa

145632377770 has 192 divisors, whose sum is σ = 308111247360. Its totient is φ = 49427642880.

The previous prime is 145632377749. The next prime is 145632377773. The reversal of 145632377770 is 77773236541.

145632377770 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (145632377773) 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, 289527339 + ... + 289527841.

It is an arithmetic number, because the mean of its divisors is an integer number (1604746080).

Almost surely, 2145632377770 is an apocalyptic number.

145632377770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145632377770 is an abundant number, since it is smaller than the sum of its proper divisors (162478869590).

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

145632377770 is a wasteful number, since it uses less digits than its factorization.

145632377770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 52.

The spelling of 145632377770 in words is "one hundred forty-five billion, six hundred thirty-two million, three hundred seventy-seven thousand, seven hundred seventy".