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145051964 = 2247771553
BaseRepresentation
bin10001010010101…
…01000100111100
3101002221101212222
420221111010330
5244113130324
622220544512
73410631011
oct1051250474
9332841788
10145051964
1174972762
12406b2138
1324088985
141539b708
15cb0355e
hex8a5513c

145051964 has 12 divisors (see below), whose sum is σ = 259242144. Its totient is φ = 70982784.

The previous prime is 145051903. The next prime is 145051967. The reversal of 145051964 is 469150541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145051967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385589 + ... + 385964.

It is an arithmetic number, because the mean of its divisors is an integer number (21603512).

Almost surely, 2145051964 is an apocalyptic number.

It is an amenable number.

145051964 is a deficient number, since it is larger than the sum of its proper divisors (114190180).

145051964 is a wasteful number, since it uses less digits than its factorization.

145051964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771604 (or 771602 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 145051964 is about 12043.7520731706. The cubic root of 145051964 is about 525.4215377861.

The spelling of 145051964 in words is "one hundred forty-five million, fifty-one thousand, nine hundred sixty-four".

Divisors: 1 2 4 47 94 188 771553 1543106 3086212 36262991 72525982 145051964