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145465462 = 272732731
BaseRepresentation
bin10001010101110…
…10000001110110
3101010201102002201
420222322001312
5244214343322
622233455114
73414302362
oct1052720166
9333642081
10145465462
117512539a
124087149a
13241a1c4c
14154682a2
15cb85d27
hex8aba076

145465462 has 4 divisors (see below), whose sum is σ = 218198196. Its totient is φ = 72732730.

The previous prime is 145465433. The next prime is 145465471. The reversal of 145465462 is 264564541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 264564541 = 377150393.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36366364 + ... + 36366367.

It is an arithmetic number, because the mean of its divisors is an integer number (54549549).

Almost surely, 2145465462 is an apocalyptic number.

145465462 is a deficient number, since it is larger than the sum of its proper divisors (72732734).

145465462 is an equidigital number, since it uses as much as digits as its factorization.

145465462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72732733.

The product of its digits is 115200, while the sum is 37.

The square root of 145465462 is about 12060.9063506853. The cubic root of 145465462 is about 525.9203352005.

The spelling of 145465462 in words is "one hundred forty-five million, four hundred sixty-five thousand, four hundred sixty-two".

Divisors: 1 2 72732731 145465462