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137148445 = 5719719891
BaseRepresentation
bin10000010110010…
…11100000011101
3100120001212022001
420023023200131
5240102222240
621335322301
73253512460
oct1013134035
9316055261
10137148445
1170464725
1239b20391
132254c435
14143012d7
15c09189a
hex82cb81d

137148445 has 16 divisors (see below), whose sum is σ = 189053568. Its totient is φ = 93562560.

The previous prime is 137148421. The next prime is 137148461. The reversal of 137148445 is 544841731.

It is not a de Polignac number, because 137148445 - 25 = 137148413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3051 + ... + 16840.

It is an arithmetic number, because the mean of its divisors is an integer number (11815848).

Almost surely, 2137148445 is an apocalyptic number.

It is an amenable number.

137148445 is a deficient number, since it is larger than the sum of its proper divisors (51905123).

137148445 is a wasteful number, since it uses less digits than its factorization.

137148445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20100.

The product of its digits is 53760, while the sum is 37.

The square root of 137148445 is about 11711.0394500232. The cubic root of 137148445 is about 515.6997995924.

The spelling of 137148445 in words is "one hundred thirty-seven million, one hundred forty-eight thousand, four hundred forty-five".

Divisors: 1 5 7 35 197 985 1379 6895 19891 99455 139237 696185 3918527 19592635 27429689 137148445