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145455012 = 22324199643
BaseRepresentation
bin10001010101101…
…11011110100100
3101010200212202200
420222313132210
5244214030022
622233334500
73414230043
oct1052673644
9333625680
10145455012
117511855a
1240867430
132419a271
141546455a
15cb82bac
hex8ab77a4

145455012 has 36 divisors (see below), whose sum is σ = 368593680. Its totient is φ = 48364272.

The previous prime is 145454999. The next prime is 145455031. The reversal of 145455012 is 210554541.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10263 + ... + 19905.

Almost surely, 2145455012 is an apocalyptic number.

145455012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145455012 is an abundant number, since it is smaller than the sum of its proper divisors (223138668).

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

145455012 is a wasteful number, since it uses less digits than its factorization.

145455012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10072 (or 10067 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 145455012 is about 12060.4731250478. The cubic root of 145455012 is about 525.9077411477.

The spelling of 145455012 in words is "one hundred forty-five million, four hundred fifty-five thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 419 838 1257 1676 2514 3771 5028 7542 9643 15084 19286 28929 38572 57858 86787 115716 173574 347148 4040417 8080834 12121251 16161668 24242502 36363753 48485004 72727506 145455012