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145838604 = 22319897187
BaseRepresentation
bin10001011000101…
…01001000001100
3101011102100221210
420230111020030
5244313313404
622245454420
73420415302
oct1054251014
9334370853
10145838604
117535a77a
1240a11410
13242a2a42
1415524272
15cc0b689
hex8b1520c

145838604 has 48 divisors (see below), whose sum is σ = 362275200. Its totient is φ = 45530496.

The previous prime is 145838579. The next prime is 145838611. The reversal of 145838604 is 406838541.

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, 16699 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (7547400).

Almost surely, 2145838604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 145838604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181137600).

145838604 is an abundant number, since it is smaller than the sum of its proper divisors (216436596).

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

145838604 is a wasteful number, since it uses less digits than its factorization.

145838604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7302 (or 7300 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 145838604 is about 12076.3655128520. The cubic root of 145838604 is about 526.3696409523.

The spelling of 145838604 in words is "one hundred forty-five million, eight hundred thirty-eight thousand, six hundred four".

Divisors: 1 2 3 4 6 12 19 38 57 76 89 114 178 228 267 356 534 1068 1691 3382 5073 6764 7187 10146 14374 20292 21561 28748 43122 86244 136553 273106 409659 546212 639643 819318 1279286 1638636 1918929 2558572 3837858 7675716 12153217 24306434 36459651 48612868 72919302 145838604