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145412752 = 249088297
BaseRepresentation
bin10001010101011…
…01001010010000
3101010121201210111
420222231022100
5244211202002
622232411104
73413662612
oct1052551220
9333551714
10145412752
1175099831
1240846a94
1324183c64
1415452db2
15cb753d7
hex8aad290

145412752 has 10 divisors (see below), whose sum is σ = 281737238. Its totient is φ = 72706368.

The previous prime is 145412731. The next prime is 145412767. The reversal of 145412752 is 257214541.

It can be written as a sum of positive squares in only one way, i.e., 142468096 + 2944656 = 11936^2 + 1716^2 .

It is a super-2 number, since 2×1454127522 = 42289736888427008, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 4544133 + ... + 4544164.

Almost surely, 2145412752 is an apocalyptic number.

It is an amenable number.

145412752 is a deficient number, since it is larger than the sum of its proper divisors (136324486).

145412752 is an equidigital number, since it uses as much as digits as its factorization.

145412752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9088305 (or 9088299 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 145412752 is about 12058.7209935382. The cubic root of 145412752 is about 525.8568044043.

The spelling of 145412752 in words is "one hundred forty-five million, four hundred twelve thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 9088297 18176594 36353188 72706376 145412752