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145352434 = 273399149
BaseRepresentation
bin10001010100111…
…10011011110010
3101010111200001111
420222132123302
5244202234214
622231223534
73413322013
oct1052363362
9333450044
10145352434
1175058487
1240817baa
1324162676
141543900a
15cb625c4
hex8a9e6f2

145352434 has 8 divisors (see below), whose sum is σ = 218328300. Its totient is φ = 72576336.

The previous prime is 145352429. The next prime is 145352443. The reversal of 145352434 is 434253541.

It can be written as a sum of positive squares in 2 ways, for example, as 113486409 + 31866025 = 10653^2 + 5645^2 .

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

It is a super-2 number, since 2×1453524342 = 42254660139448712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145352396 and 145352405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48109 + ... + 51040.

Almost surely, 2145352434 is an apocalyptic number.

145352434 is a deficient number, since it is larger than the sum of its proper divisors (72975866).

145352434 is an equidigital number, since it uses as much as digits as its factorization.

145352434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99884.

The product of its digits is 28800, while the sum is 31.

The square root of 145352434 is about 12056.2197226162. The cubic root of 145352434 is about 525.7840849282.

The spelling of 145352434 in words is "one hundred forty-five million, three hundred fifty-two thousand, four hundred thirty-four".

Divisors: 1 2 733 1466 99149 198298 72676217 145352434