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145063779 = 376907799
BaseRepresentation
bin10001010010101…
…11111101100011
3101002222000002120
420221113331203
5244114020104
622221115323
73411010320
oct1051277543
9332860076
10145063779
1174980623
12406b8b43
1324091173
14153a1b47
15cb06cd9
hex8a57f63

145063779 has 8 divisors (see below), whose sum is σ = 221049600. Its totient is φ = 82893576.

The previous prime is 145063759. The next prime is 145063799. The reversal of 145063779 is 977360541.

It is an interprime number because it is at equal distance from previous prime (145063759) and next prime (145063799).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145063779 - 25 = 145063747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145063779.

It is not an unprimeable number, because it can be changed into a prime (145063759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3453879 + ... + 3453920.

It is an arithmetic number, because the mean of its divisors is an integer number (27631200).

Almost surely, 2145063779 is an apocalyptic number.

145063779 is a deficient number, since it is larger than the sum of its proper divisors (75985821).

145063779 is an equidigital number, since it uses as much as digits as its factorization.

145063779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907809.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 145063779 is about 12044.2425664713. The cubic root of 145063779 is about 525.4358032184.

The spelling of 145063779 in words is "one hundred forty-five million, sixty-three thousand, seven hundred seventy-nine".

Divisors: 1 3 7 21 6907799 20723397 48354593 145063779