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145294396 = 221331173521
BaseRepresentation
bin10001010100100…
…00010000111100
3101010101201102221
420222100100330
5244143410041
622230055124
73412660552
oct1052202074
9333351387
10145294396
1175018915
12407aa4a4
1324142120
1415421bd2
15cb502d1
hex8a9043c

145294396 has 48 divisors (see below), whose sum is σ = 284836608. Its totient is φ = 64396800.

The previous prime is 145294367. The next prime is 145294411. The reversal of 145294396 is 693492541.

It is a super-2 number, since 2×1452943962 = 42220923018009632, which contains 22 as substring.

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, 278616 + ... + 279136.

It is an arithmetic number, because the mean of its divisors is an integer number (5934096).

Almost surely, 2145294396 is an apocalyptic number.

It is an amenable number.

145294396 is a deficient number, since it is larger than the sum of its proper divisors (139542212).

145294396 is a wasteful number, since it uses less digits than its factorization.

145294396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 740 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 145294396 is about 12053.8125089119. The cubic root of 145294396 is about 525.7140952296.

The spelling of 145294396 in words is "one hundred forty-five million, two hundred ninety-four thousand, three hundred ninety-six".

Divisors: 1 2 4 13 26 31 52 62 124 173 346 403 521 692 806 1042 1612 2084 2249 4498 5363 6773 8996 10726 13546 16151 21452 27092 32302 64604 69719 90133 139438 180266 209963 278876 360532 419926 839852 1171729 2343458 2794123 4686916 5588246 11176492 36323599 72647198 145294396