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145325154 = 231312771459
BaseRepresentation
bin10001010100101…
…11110001100010
3101010110021122010
420222113301202
5244200401104
622230453350
73413146332
oct1052276142
9333407563
10145325154
1175039a37
1240804256
1324153120
141542d0c2
15cb59489
hex8a97c62

145325154 has 32 divisors (see below), whose sum is σ = 313467840. Its totient is φ = 44649792.

The previous prime is 145325149. The next prime is 145325189. The reversal of 145325154 is 451523541.

It is a super-2 number, since 2×1453251542 = 42238800770247432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98877 + ... + 100335.

It is an arithmetic number, because the mean of its divisors is an integer number (9795870).

Almost surely, 2145325154 is an apocalyptic number.

145325154 is an abundant number, since it is smaller than the sum of its proper divisors (168142686).

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

145325154 is a wasteful number, since it uses less digits than its factorization.

145325154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754.

The product of its digits is 12000, while the sum is 30.

The square root of 145325154 is about 12055.0883032850. The cubic root of 145325154 is about 525.7511895101.

Adding to 145325154 its reverse (451523541), we get a palindrome (596848695).

The spelling of 145325154 in words is "one hundred forty-five million, three hundred twenty-five thousand, one hundred fifty-four".

Divisors: 1 2 3 6 13 26 39 78 1277 1459 2554 2918 3831 4377 7662 8754 16601 18967 33202 37934 49803 56901 99606 113802 1863143 3726286 5589429 11178858 24220859 48441718 72662577 145325154