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145253962 = 2710375283
BaseRepresentation
bin10001010100001…
…10011001001010
3101010022122222101
420222012121022
5244141111322
622225144014
73412431640
oct1052063112
9333278871
10145253962
1174aa04a7
124078b00a
13241298b9
1415411190
15cb43327
hex8a8664a

145253962 has 8 divisors (see below), whose sum is σ = 249006816. Its totient is φ = 62251692.

The previous prime is 145253893. The next prime is 145253989. The reversal of 145253962 is 269352541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5187628 + ... + 5187655.

It is an arithmetic number, because the mean of its divisors is an integer number (31125852).

Almost surely, 2145253962 is an apocalyptic number.

145253962 is a deficient number, since it is larger than the sum of its proper divisors (103752854).

145253962 is a wasteful number, since it uses less digits than its factorization.

145253962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10375292.

The product of its digits is 64800, while the sum is 37.

The square root of 145253962 is about 12052.1351635302. The cubic root of 145253962 is about 525.6653236861.

The spelling of 145253962 in words is "one hundred forty-five million, two hundred fifty-three thousand, nine hundred sixty-two".

Divisors: 1 2 7 14 10375283 20750566 72626981 145253962