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145062253 = 761733587
BaseRepresentation
bin10001010010101…
…11100101101101
3101002221221000001
420221113211231
5244113443003
622221104301
73411003010
oct1051274555
9332857001
10145062253
117497a466
12406b8091
132409056b
14153a1377
15cb0661d
hex8a5796d

145062253 has 8 divisors (see below), whose sum is σ = 166059072. Its totient is φ = 124133856.

The previous prime is 145062251. The next prime is 145062277. The reversal of 145062253 is 352260541.

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

It is not a de Polignac number, because 145062253 - 21 = 145062251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145062251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12475 + ... + 21112.

It is an arithmetic number, because the mean of its divisors is an integer number (20757384).

Almost surely, 2145062253 is an apocalyptic number.

It is an amenable number.

145062253 is a deficient number, since it is larger than the sum of its proper divisors (20996819).

145062253 is an equidigital number, since it uses as much as digits as its factorization.

145062253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34211.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 145062253 is about 12044.1792165344. The cubic root of 145062253 is about 525.4339607694.

The spelling of 145062253 in words is "one hundred forty-five million, sixty-two thousand, two hundred fifty-three".

Divisors: 1 7 617 4319 33587 235109 20723179 145062253