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145463455 = 5179162529
BaseRepresentation
bin10001010101110…
…01100010011111
3101010201022100101
420222321202133
5244214312310
622233441531
73414263464
oct1052714237
9333638311
10145463455
1175123935
12408702a7
13241a1067
141546766b
15cb8543a
hex8ab989f

145463455 has 8 divisors (see below), whose sum is σ = 175532400. Its totient is φ = 115719936.

The previous prime is 145463447. The next prime is 145463471. The reversal of 145463455 is 554364541.

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

It is a cyclic number.

It is not a de Polignac number, because 145463455 - 23 = 145463447 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80370 + ... + 82159.

It is an arithmetic number, because the mean of its divisors is an integer number (21941550).

Almost surely, 2145463455 is an apocalyptic number.

145463455 is a deficient number, since it is larger than the sum of its proper divisors (30068945).

145463455 is a wasteful number, since it uses less digits than its factorization.

145463455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162713.

The product of its digits is 144000, while the sum is 37.

The square root of 145463455 is about 12060.8231476960. The cubic root of 145463455 is about 525.9179164660.

The spelling of 145463455 in words is "one hundred forty-five million, four hundred sixty-three thousand, four hundred fifty-five".

Divisors: 1 5 179 895 162529 812645 29092691 145463455